JPH03237627A - 対物レンズ駆動装置 - Google Patents

対物レンズ駆動装置

Info

Publication number
JPH03237627A
JPH03237627A JP2032047A JP3204790A JPH03237627A JP H03237627 A JPH03237627 A JP H03237627A JP 2032047 A JP2032047 A JP 2032047A JP 3204790 A JP3204790 A JP 3204790A JP H03237627 A JPH03237627 A JP H03237627A
Authority
JP
Japan
Prior art keywords
objective lens
lens holder
axis
torsion
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2032047A
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Yamamoto
寛 山本
Ichiro Kawamura
一郎 河村
Shoji Goto
後藤　庄司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2032047A priority Critical patent/JPH03237627A/ja
Priority to US07/653,340 priority patent/US5206849A/en
Priority to KR1019910002254A priority patent/KR950001233B1/ko
Priority to DE69108955T priority patent/DE69108955T2/de
Priority to CA002036156A priority patent/CA2036156C/fr
Priority to EP91101950A priority patent/EP0442442B1/fr
Publication of JPH03237627A publication Critical patent/JPH03237627A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2032047A 1990-02-13 1990-02-13 対物レンズ駆動装置 Pending JPH03237627A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2032047A JPH03237627A (ja) 1990-02-13 1990-02-13 対物レンズ駆動装置
US07/653,340 US5206849A (en) 1990-02-13 1991-02-11 Object lens holder and driving device
KR1019910002254A KR950001233B1 (ko) 1990-02-13 1991-02-11 대물렌즈 구동장치
DE69108955T DE69108955T2 (de) 1990-02-13 1991-02-12 Einstellvorrichtung einer Objektivlinse für optisches Speichergerät.
CA002036156A CA2036156C (fr) 1990-02-13 1991-02-12 Actionneur d'objectif de memoire optique
EP91101950A EP0442442B1 (fr) 1990-02-13 1991-02-12 Actionneur de lentille objective pour appareil de mémorisation optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2032047A JPH03237627A (ja) 1990-02-13 1990-02-13 対物レンズ駆動装置

Publications (1)

Publication Number Publication Date
JPH03237627A true JPH03237627A (ja) 1991-10-23

Family

ID=12347955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2032047A Pending JPH03237627A (ja) 1990-02-13 1990-02-13 対物レンズ駆動装置

Country Status (6)

Country Link
US (1) US5206849A (fr)
EP (1) EP0442442B1 (fr)
JP (1) JPH03237627A (fr)
KR (1) KR950001233B1 (fr)
CA (1) CA2036156C (fr)
DE (1) DE69108955T2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5715231A (en) * 1993-09-14 1998-02-03 Kabushiki Kaisha Toshiba Objective lens driving apparatus and optical head driving apparatus
DE19827485A1 (de) * 1998-06-19 1999-12-23 Sick Ag Vorrichtung zum Verstellen der Fokuslage einer optoelektronischen Vorrichtung
JP4154985B2 (ja) * 2002-10-02 2008-09-24 松下電器産業株式会社 光ピックアップ装置及び光ディスク装置
KR100850544B1 (ko) * 2006-12-13 2008-08-05 삼성전기주식회사 모바일 기기용 엑츄에이터

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178631A (ja) * 1983-03-29 1984-10-09 Toshiba Corp 光ピツクアツプ
JPS60138745A (ja) * 1983-12-27 1985-07-23 Toshiba Corp 光学式ピツクアツプの可動部支持体
JPS62229537A (ja) * 1986-03-31 1987-10-08 Canon Inc 光学系駆動装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475179A (en) * 1982-06-30 1984-10-02 Eastman Kodak Company Optical disc write/read methods and apparatus with improved focus and tracking control
US4794580A (en) * 1985-07-12 1988-12-27 Pioneer Electronic Corporation Pickup system in optical information recording and reproducing apparatus with damped lead wires
JPS6350926A (ja) * 1986-08-20 1988-03-03 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
NL8702034A (nl) * 1987-08-31 1989-03-16 Philips Nv Optische eenheid voor het contactloos inschrijven en/of aftasten van een informatiespoor, alsmede inrichting voorzien van de optische eenheid.
JPH01235040A (ja) * 1988-03-14 1989-09-20 Asahi Optical Co Ltd 光情報記録再生装置の対物レンズ支持装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178631A (ja) * 1983-03-29 1984-10-09 Toshiba Corp 光ピツクアツプ
JPS60138745A (ja) * 1983-12-27 1985-07-23 Toshiba Corp 光学式ピツクアツプの可動部支持体
JPS62229537A (ja) * 1986-03-31 1987-10-08 Canon Inc 光学系駆動装置

Also Published As

Publication number Publication date
KR910015974A (ko) 1991-09-30
DE69108955T2 (de) 1995-08-24
EP0442442A1 (fr) 1991-08-21
CA2036156C (fr) 1996-01-16
DE69108955D1 (de) 1995-05-24
CA2036156A1 (fr) 1991-08-14
EP0442442B1 (fr) 1995-04-19
KR950001233B1 (ko) 1995-02-15
US5206849A (en) 1993-04-27

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